CN206135421U - Voltage stabilization group wells is DC inversion crowd's device altogether - Google Patents
Voltage stabilization group wells is DC inversion crowd's device altogether Download PDFInfo
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- CN206135421U CN206135421U CN201620953445.6U CN201620953445U CN206135421U CN 206135421 U CN206135421 U CN 206135421U CN 201620953445 U CN201620953445 U CN 201620953445U CN 206135421 U CN206135421 U CN 206135421U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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Abstract
The utility model discloses a voltage stabilization group wells is DC inversion crowd's device altogether contains group wells master switch unit, rectifier unit, sharing direct current unit, protection device, inverter unit and steady voltage unit, the master switch unit for the total control switch of device, one end is connected with the electric wire netting, the other end is connected the input with rectifier unit and is connected with steady voltage unit input, the rectifier unit output reaches, inverter unit input and the direct current unit connection that shares, protection device lies in and shares between direct current unit, the protection device, inverter unit exports side joint device output terminal. Adopt large capacity commutation equipment in the transformer, DC inversion crowd's group wells controlling means is altogether constituteed to many low capacity contravariant equipment, pass through the unified power supply of dc bus with the automatically controlled terminal of beam -pumping unit of many mouthfuls of oil wells of same oil recovery block, contravariant apparatus internal integration motor protected location.
Description
Technical field
This utility model is related to mechanism of qi group wells stable-pressure device of pumping, more particularly to a kind of VFC section of rectification unit altogether
Can device.
Background technology
China's oil gas field mostly is lean Oil/gas Well, permeability oil field, adopts the machine of kowtowing for main oil production equipment, running more
The problems such as middle generally existing " low load with strong power ", motor load are lower than low, power factor, energy consumption wastes serious, and power supply grid
Quality is unstable, and terminal voltage is unstable, and certain areas voltage is even as low as 290V ~ 320V, has a strong impact on equipment and normally runs
And waste of energy phenomenon is serious, needs system total solution to realize oil gas field energy conservation.Group wells oil pumping mechanism of qi separate unit
Power of motor is all smaller, and mechanism of qi of pumping per platform configures a frequency-converting control device high cost, wastes serious, utilization rate of equipment and installations
It is low, safeguard complicated.Electric energy is produced in down stroke in oil pumping mechanism of qi running, the feedback grid if internal consumption is unable to, because
Operation power factor is low, and feedback grid electric energy is polluted to electrical network.
Open source literature retrieval to prior art finds that Chinese Patent Application No. 2013201704629, publication date are a kind of straight
Stream：2013.08.07, the technology discloses direct current micro-grid system, comprising DC power distribution line, two-way AC/DC rectifications/inversion dress
Put, the AC load with DC/AC inverters, AC/DC microgrid protection devices, DC/DC microgrid protection devices etc., but can not apply
In oil gas field multi-boreholes, only realize DC/AC inversions but packet, Time-sharing control and root can not be realized between multiple inverters
The functions such as real-time regulation output frequency are needed according to load.
Utility model content
This utility model is related to a kind of voltage regulation type group wells DC inversion group's device altogether, can stablize oil field low voltage power transmission
Line end voltage, improves transformator and distribution line through-put power factor, reduces energy loss, improves oil field low-voltage distribution system
The system quality of power supply；Using one Large Copacity rectifying installation of a transformator, the common DC inversion of multiple stage low capacity contravariant equipment composition
Group's group wells control device.The each motor speed of real-time regulation group wells and oil pumping mechanism of qi jig frequency can be distinguished according to oil pumping mechanism of qi operating mode,
Group wells is started at times respectively to pump mechanism of qi, electric energy internal consumption is produced in realizing oil pumping mechanism of qi running, it is to avoid with electrical network frequency
Numerous exchange electric energy, reduces the loss and loss in energy exchange processes, improves power supply quality.The oil pumping gas per platform can be set simultaneously
Machine starting time and order, or each oil pumping mechanism of qi starts interval time when arranging sequential firing, it is to avoid oil pumping mechanism of qi is risen simultaneously
It is dynamic bring drag down line voltage phenomenon.All runnings are not required to artificial operation operation, come after grid cut-off again some then according to
Order and interval time start.
This utility model adopts following technical proposals：
Using one Large Copacity rectifying installation of a transformator, the common DC inversion group group of multiple stage low capacity contravariant equipment composition
Well control device.Commutator is by three-phase alternating voltage, electrical network filter capacitor C, reactor L, three-phase IGBT rectifier bridges, DC link
Deng composition, DC voltage is provided using PWM controlled rectifications, by the oil pumping Electrical Control terminal of many mouthfuls of oil wells of same oil recovery block
Powered by dc bus unification, by the way of avoiding apex filling vale, achievable oil well production is avoided the peak hour operation, multiple stage oil pumper falls
The mutual feedback of electric flux is shared and recycles, and gives full play to the community superiority of many oil pumpers of oil recovery block.Contravariant equipment is by direct current
Link and three-phase IGBT inversion units composition.Real-time monitoring, from motion tracking oil field equipment operation in reactive power change simultaneously
Real-Time Compensation, suppresses voltage flicker, stable line voltage to improve the oil field low-voltage distribution system quality of power supply.Arrange and pump per platform
Mechanism of qi starting time and order, or each oil pumping mechanism of qi starts interval time when arranging sequential firing, it is to avoid oil pumping mechanism of qi is simultaneously
What starting brought drags down line voltage phenomenon.
Description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Specific embodiment
As shown in figure 1, a kind of common DC inversion group's device of voltage regulation type group wells of this utility model, comprising group wells main switch unit
1st, rectification unit 2, common DC unit 3, protection device 4, inversion unit 5 and voltage regulation unit 6.Described main switch unit 1 is
Device total control switch, one end are connected with electrical network, and the other end is connected input with rectification unit 2 and 6 input of voltage regulation unit connects
Connect, 2 outfan of rectification unit and, 5 input of inversion unit be connected with shared direct current component 3, protection device 4 be located at common DC
Between unit 3, protection device 4,5 outlet side connection device lead-out terminal of inversion unit.Rectification unit 2 adopts PWM controlled rectifications, complete
Into the full-controlled rectifier inversion function of AC-to DC, galvanic current pressure is exported, as the voltage source of common DC unit 3,
The running status of each motor device of 4 real-time detection of protection device, with work(such as short-circuit protection, overcurrent protection, over-and under-voltage protections
Can, improve the operation stability of equipment；Inversion unit 5 is made up of DC link and three-phase IGBT inversion units, can be according to setting
The alternating voltage that FREQUENCY CONTROL output needs is put, each oil pumping mechanism of qi operation is driven.
1. operate 1 control device input of main switch unit and exit.Operation/inspection switch can be adjusted to inspection in prestart
Repair position.Parameter setting and equipment inspection can be carried out in maintenance position.Parameter setting parameter mainly has operational mode setting, takes out
Oil gas machine sequence number setting, starting sequence setting, interval time setting and running status setting etc., running status be set with operation and
Stoppage in transit both of which.Then sequentially throw when operation/inspection switch is adjusted to overhaul when position is adjusted to run location when being set to operation
Enter operation, corresponding oil pumping mechanism of qi control is then skipped when being set to stoppage in transit state, stoppage in transit state is maintained at.When on device electricity or be
System power-off is when sending a telegram here again, first System self-test, and each oil pumping mechanism of qi running status according to setting if all going well is risen successively
It is dynamic.
2. rectification unit 2 adopts PWM controlled rectifications, completes the full-controlled rectifier inversion function of AC-to DC, 280--450V
Wide-voltage range input operation, exports galvanic current pressure, as the voltage source of common DC unit 3, it is ensured that inversion unit 5
Output burning voltage, effectively extends motor service life and service behaviour, it is ensured that oil pumper steady operation.
3. the running status of each motor device of 4 real-time detection of protection device, owes with short-circuit protection, overcurrent protection, overvoltage
The functions such as pressure protection, improve the operation stability of equipment；When corresponding device is out of service in malfunction, protection device 4
Output fault-signal stops inversion unit 5 and runs, be simultaneously emitted by alarm signal to inversion unit 5, points out staff to process.
6 method of operation of voltage regulation unit is as follows：Line voltage V and setting regulation voltage level Vref compare, and concurrently set regulation
Blind area voltage range u.If V<Vref-u sets up, then need to carry out boosting regulation；If V>Vref-u and V<Vref+u, then illustrate electricity
Pressure has been controlled in the reasonable scope, then keep standing state to become；If V>Vref+u, then explanation need reduction regulation.
Claims (3)
1. a kind of voltage regulation type group wells is total to DC inversion group's device, comprising group wells main switch unit（1）, rectification unit（2）, share it is straight
Stream unit（3）, protection device（4）, inversion unit（5）And voltage regulation unit（6）, it is characterised in that：Using one, a transformator
Large Copacity rectifying installation, the common DC inversion group's group wells control device of multiple stage low capacity contravariant equipment composition；It is controllable whole using PWM
Stream provides DC voltage, and the oil pumping Electrical Control terminal of many mouthfuls of oil wells of same oil recovery block is powered by dc bus unification；
Contravariant equipment device is internally integrated motor protection unit；Described main switch unit（1）For device total control switch, one end with
Electrical network connection, the other end and rectification unit（2）Connection input and voltage regulation unit（6）Input connects, rectification unit（2）Output
End and, inversion unit（5）Input and shared direct current component（3）Connection, protection device（4）Positioned at common DC unit（3）, protect
Protection unit（4）Between, inversion unit（5）Outlet side connection device lead-out terminal.
2. voltage regulation type group wells according to claim 1 is total to DC inversion group's device, it is characterised in that：Rectification unit（2）Adopt
PWM controlled rectifications are used, the full-controlled rectifier inversion function of AC-to DC is completed, the input operation of 280--450V wide-voltage ranges is defeated
Go out galvanic current pressure, as common DC unit（3）Voltage source, it is ensured that inversion unit（5）Output burning voltage.
3. voltage regulation type group wells according to claim 1 is total to DC inversion group's device, it is characterised in that：Voltage regulation unit（6）Adjust
Regulating device input side grid ac voltage, line voltage V and setting regulation voltage level Vref compare, and concurrently set regulation blind area electricity
Pressure scope u.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620953445.6U CN206135421U (en) | 2016-08-28 | 2016-08-28 | Voltage stabilization group wells is DC inversion crowd's device altogether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620953445.6U CN206135421U (en) | 2016-08-28 | 2016-08-28 | Voltage stabilization group wells is DC inversion crowd's device altogether |
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| Publication Number | Publication Date |
|---|---|
| CN206135421U true CN206135421U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620953445.6U Active CN206135421U (en) | 2016-08-28 | 2016-08-28 | Voltage stabilization group wells is DC inversion crowd's device altogether |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
-
2016
- 2016-08-28 CN CN201620953445.6U patent/CN206135421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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